I’m considering getting red light therapy and I’m curious to know what type of red light works versus what does not

When considering red light therapy, it's important to focus on the specifics of the devices used and the wavelengths they emit. Andrew Huberman highlights several key factors to consider:

1. Wavelengths: Effective red light therapy typically involves wavelengths between 650 to 800 nm, as they can penetrate deeper into the tissues. Red light panels that include both red and near-infrared light are recommended for their effectiveness 1.

2. Device Type: Larger, higher-energy panels are generally more effective than smaller, battery-powered face masks. Wall panels are often preferred because they provide sufficient power and coverage 2. The brand Joovv is mentioned as having panels that meet these criteria 3.

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3. Application: Red light therapy should ideally be applied early in the day, within the first three hours of waking. This timing may enhance its effectiveness for certain biological functions and health benefits 4.

4. Usage: Direct exposure to red light for targeted areas, rather than whole-body illumination, tends to yield better outcomes, especially for dermatological purposes like acne and scarring. Correct distance from the light source is crucial, usually about 18 inches, to ensure it's safe and effective 5.

While red light can provide various benefits, it should not be expected to replace the broader effects of natural sunlight, such as its impact on cortisol and dopamine levels 3. Always be mindful of the power and specifications of the device to ensure safety and efficacy.